Big Sioux River at Lake Poinsett Inlet/Outlet
4.3 mi- Level
- 1651 ft
Reading from Sat 4 PM · NWS gauge page
Appearance
Observed 4:55 PM CDT at KBKX
Mostly cloudy and 48°9°, 8°4° warmer than usual, rain tomorrow ~9 AM–4 PM (99%).
Today: low 40°4° (likely 40°4° to 47°8°), high 61°16° (likely 61°16° to 66°19°).
Now 48°9°
Mostly cloudy · Feels like 43°6°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 5p | Rain | 49°9° (likely 48°9° to 51°11°) | 44°7° | 20%, 0.01 in0.3 mm | 12 mph19 km/h from NNW, gusts 14 mph22 km/h | 71% | 92% | 0 |
| Sat 6p | Cloudy | 49°9° (likely 49°9° to 50°10°) | 46°8° | 10%, 0.01 in0.3 mm | 8 mph13 km/h from NNW, gusts 11 mph17 km/h | 68% | 89% | 0 |
| Sat 7p | Cloudy | 49°9° (likely 48°9° to 50°10°) | 47°8° | 10% | 6 mph10 km/h from N, gusts 11 mph18 km/h | 63% | 85% | 0 |
| Sat 8p | Cloudy | 49°9° (likely 47°8° to 49°9°) | 47°8° | 5% | 5 mph8 km/h from N, gusts 10 mph16 km/h | 58% | 81% | 0 |
| Sat 9p | Cloudy | 49°9° (likely 46°8° to 49°9°) | 48°9° | 5% | 3 mph5 km/h from N, gusts 8 mph13 km/h | 54% | 85% | 0 |
| Sat 10p | Cloudy | 49°9° (likely 45°7° to 49°9°) | 48°9° | 5% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 54% | 91% | 0 |
| Sat 11p | Cloudy | 48°9° (likely 44°7° to 48°9°) | 47°8° | 0% | 3 mph5 km/h from N, gusts 8 mph13 km/h | 54% | 90% | 0 |
| Sun 12a | Cloudy | 47°8° (likely 44°7° to 47°8°) | 46°8° | 0% | 3 mph5 km/h from NNE, gusts 7 mph11 km/h | 56% | 93% | 0 |
| Sun 1a | Mostly cloudy | 47°8° (likely 43°6° to 47°8°) | 46°8° | 0% | 3 mph5 km/h from NNE, gusts 6 mph10 km/h | 56% | 65% | 0 |
| Sun 2a | Mostly cloudy | 46°8° (likely 42°6° to 46°8°) | 45°7° | 0% | 3 mph5 km/h from NNE, gusts 7 mph11 km/h | 56% | 68% | 0 |
| Sun 3a | Cloudy | 45°7° (likely 41°5° to 45°7°) | 43°6° | 0% | 5 mph8 km/h from NE, gusts 6 mph9 km/h | 55% | 92% | 0 |
| Sun 4a | Mostly cloudy | 44°7° (likely 40°4° to 45°7°) | 41°5° | 0% | 5 mph8 km/h from NE, gusts 7 mph11 km/h | 55% | 51% | 0 |
| Sun 5a | Cloudy | 43°6° (likely 40°4° to 45°7°) | 39°4° | 5% | 6 mph10 km/h from NE, gusts 8 mph12 km/h | 57% | 95% | 0 |
| Sun 6a | Cloudy | 43°6° (likely 39°4° to 45°7°) | 39°4° | 10% | 6 mph10 km/h from NE, gusts 7 mph12 km/h | 57% | 97% | 0 |
| Sun 7a | Cloudy | 42°6° (likely 39°4° to 45°7°) | 38°3° | 40%, 0.01 in0.3 mm | 6 mph10 km/h from ENE, gusts 7 mph11 km/h | 60% | 99% | 0 |
| Sun 8a | Cloudy | 42°6° (likely 41°5° to 45°7°) | 38°3° | 40%, 0.01 in0.3 mm | 6 mph10 km/h from ENE, gusts 9 mph14 km/h | 60% | 99% | 0 |
| Sun 9a | Cloudy | 43°6° (likely 42°6° to 45°7°) | 39°4° | 50%, 0.01 in0.3 mm | 7 mph11 km/h from ENE, gusts 12 mph19 km/h | 62% | 100% | 0 |
| Sun 10a | Cloudy | 45°7° (likely 43°6° to 46°8°) | 41°5° | 60%, 0.01 in0.3 mm | 8 mph13 km/h from ENE, gusts 14 mph22 km/h | 60% | 100% | 0 |
| Sun 11a | Cloudy | 46°8° (likely 44°7° to 47°8°) | 42°6° | 70%, 0.01 in0.3 mm | 8 mph13 km/h from ENE, gusts 16 mph25 km/h | 60% | 100% | 0 |
| Sun 12p | Cloudy | 45°7° (likely 44°7° to 47°8°) | 40°4° | 70%, 0.01 in0.3 mm | 9 mph14 km/h from ENE, gusts 15 mph24 km/h | 63% | 100% | 0 |
| Sun 1p | Rain | 46°8° (likely 44°7° to 47°8°) | 41°5° | 80%, 0.06 in1.5 mm | 9 mph14 km/h from ENE, gusts 14 mph22 km/h | 60% | 100% | 0 |
| Sun 2p | Rain | 44°7° (likely 43°6° to 47°8°) | 39°4° | 70%, 0.06 in1.5 mm | 9 mph14 km/h from ENE, gusts 14 mph22 km/h | 65% | 100% | 0 |
| Sun 3p | Rain | 44°7° (likely 43°6° to 46°8°) | 39°4° | 60%, 0.06 in1.5 mm | 9 mph14 km/h from NE, gusts 17 mph28 km/h | 65% | 100% | 0 |
| Sun 4p | Rain | 43°6° (likely 42°6° to 46°8°) | 37°3° | 60%, 0.06 in1.5 mm | 10 mph16 km/h from NE, gusts 19 mph30 km/h | 67% | 100% | 0 |
| Sun 5p | Rain | 43°6° (likely 42°6° to 45°7°) | 37°3° | 50%, 0.06 in1.5 mm | 10 mph16 km/h from NE, gusts 21 mph34 km/h | 67% | 100% | 0 |
| Sun 6p | Rain | 43°6° (likely 41°5° to 44°7°) | 37°3° | 50%, 0.06 in1.5 mm | 12 mph19 km/h from NE, gusts 20 mph33 km/h | 70% | 100% | 0 |
| Sun 7p | Rain | 43°6° (likely 41°5° to 44°7°) | 37°3° | 40%, 0.06 in1.5 mm | 12 mph19 km/h from NE, gusts 19 mph31 km/h | 70% | 100% | 0 |
| Sun 8p | Rain | 42°6° (likely 41°5° to 43°6°) | 36°2° | 50%, 0.06 in1.5 mm | 12 mph19 km/h from NE, gusts 22 mph35 km/h | 73% | 100% | 0 |
| Sun 9p | Rain | 43°6° (likely 41°5° to 43°6°) | 37°3° | 50%, 0.06 in1.5 mm | 12 mph19 km/h from NE, gusts 23 mph37 km/h | 70% | 100% | 0 |
| Sun 10p | Drizzle | 43°6° (likely 41°5° to 43°6°) | 37°3° | 60%, 0.06 in1.5 mm | 12 mph19 km/h from ENE, gusts 24 mph38 km/h | 70% | 100% | 0 |
| Sun 11p | Rain | 43°6° (likely 40°4° to 43°6°) | 37°3° | 60%, 0.06 in1.5 mm | 12 mph19 km/h from ENE, gusts 22 mph35 km/h | 73% | 100% | 0 |
| Mon 12a | Drizzle | 42°6° (likely 41°5° to 43°6°) | 36°2° | 70%, 0.06 in1.5 mm | 12 mph19 km/h from ENE, gusts 21 mph33 km/h | 76% | 100% | 0 |
| Mon 1a | Rain | 42°6° (likely 40°4° to 43°6°) | 36°2° | 90%, 0.2 in5.1 mm | 12 mph19 km/h from ENE, gusts 21 mph34 km/h | 79% | 100% | 0 |
| Mon 2a | Rain | 42°6° (likely 40°4° to 42°6°) | 35°2° | 80%, 0.2 in5.1 mm | 13 mph21 km/h from ENE, gusts 21 mph34 km/h | 79% | 100% | 0 |
| Mon 3a | Rain | 41°5° (likely 40°4° to 42°6°) | 33°1° | 90%, 0.2 in5.1 mm | 14 mph23 km/h from ENE, gusts 22 mph35 km/h | 82% | 100% | 0 |
| Mon 4a | Rain | 40°4° (likely 39°4° to 42°6°) | 32°0° | 90%, 0.2 in5.1 mm | 14 mph23 km/h from ENE, gusts 22 mph36 km/h | 85% | 100% | 0 |
| Mon 5a | Rain | 40°4° (likely 39°4° to 42°6°) | 32°0° | 100%, 0.2 in5.1 mm | 16 mph26 km/h from ENE, gusts 23 mph38 km/h | 85% | 100% | 0 |
| Mon 6a | Drizzle | 40°4° (likely 39°4° to 42°6°) | 32°0° | 100%, 0.2 in5.1 mm | 16 mph26 km/h from ENE, gusts 24 mph39 km/h | 85% | 100% | 0 |
| Mon 7a | Rain | 40°4° (likely 39°4° to 41°5°) | 31°−1° | 100%, 0.37 in9.4 mm | 17 mph27 km/h from ENE, gusts 24 mph38 km/h | 85% | 100% | 0 |
| Mon 8a | Rain | 39°4° (likely 39°4° to 41°5°) | 30°−1° | 100%, 0.37 in9.4 mm | 17 mph27 km/h from ENE, gusts 25 mph41 km/h | 85% | 100% | 0 |
| Mon 9a | Rain | 40°4° (likely 38°3° to 40°4°) | 31°−1° | 100%, 0.37 in9.4 mm | 17 mph27 km/h from ENE, gusts 26 mph42 km/h | 85% | 100% | 0 |
| Mon 10a | Rain | 41°5° (likely 38°3° to 41°5°) | 32°0° | 100%, 0.37 in9.4 mm | 17 mph27 km/h from ENE, gusts 24 mph39 km/h | 89% | 100% | 0 |
| Mon 11a | Rain | 41°5° (likely 38°3° to 41°5°) | 32°0° | 100%, 0.37 in9.4 mm | 17 mph27 km/h from ENE, gusts 23 mph36 km/h | 89% | 100% | 0 |
| Mon 12p | Rain | 40°4° (likely 38°3° to 41°5°) | 31°−1° | 100%, 0.37 in9.4 mm | 17 mph27 km/h from E, gusts 26 mph42 km/h | 96% | 100% | 0 |
| Mon 1p | Rain | 40°4° (likely 39°4° to 41°5°) | 31°−1° | 100%, 0.33 in8.4 mm | 17 mph27 km/h from E, gusts 27 mph43 km/h | 96% | 100% | 0 |
| Mon 2p | Rain | 40°4° (likely 39°4° to 42°6°) | 31°−1° | 100%, 0.33 in8.4 mm | 17 mph27 km/h from E, gusts 28 mph45 km/h | 96% | 100% | 0 |
| Mon 3p | Rain | 41°5° (likely 39°4° to 42°6°) | 32°0° | 100%, 0.33 in8.4 mm | 17 mph27 km/h from E, gusts 28 mph45 km/h | 93% | 100% | 0 |
| Mon 4p | Rain | 41°5° (likely 39°4° to 42°6°) | 32°0° | 100%, 0.33 in8.4 mm | 17 mph27 km/h from E, gusts 31 mph50 km/h | 93% | 100% | 0 |
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: A slight chance of rain. Cloudy. High near 61, with temperatures falling to around 49 in the afternoon. North northwest wind around 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight: Mostly cloudy. Low around 40, with temperatures rising to around 43 overnight. North northeast wind 3 to 8 mph. New rainfall amounts less than a tenth of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
70% chance · 0.05 in1.3 mm
Afternoon
noon–6 PM
80% chance · 0.31 in7.9 mm
Evening
6 PM–midnight
60% chance · 0.36 in9.1 mm
Overnight
midnight–6 AM
100% chance · 1.1 in27 mm
Official NWS forecast
Day: Rain after 7am. Cloudy. High near 47, with temperatures falling to around 43 in the afternoon. East northeast wind 6 to 10 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Night: Rain. Cloudy, with a low around 37. Northeast wind 12 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
100% chance · 2.1 in52 mm
Afternoon
noon–6 PM
100% chance · 1.8 in45 mm
Evening
6 PM–midnight
90% chance · 0.26 in6.6 mm
Overnight
midnight–6 AM
90% chance · 0.05 in1.2 mm
Official NWS forecast
Day: Rain. Cloudy, with a high near 44. East northeast wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Night: Rain. Cloudy, with a low around 36. Southeast wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
40% chance
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance · 0.03 in0.8 mm
Overnight
midnight–6 AM
30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 55. Southwest wind around 10 mph. Chance of precipitation is 60%.
Night: A chance of rain before 1am. Mostly cloudy, with a low around 42. South wind around 10 mph. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Night: Mostly clear, with a low around 40.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 63.
Night: Partly cloudy, with a low around 46.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 63°17°).
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
20% chance · 0.14 in3.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 1pm. Partly sunny, with a high near 65. Chance of precipitation is 20%.
Night: A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance · 0.05 in1.2 mm
Afternoon
noon–6 PM
40% chance · 0.05 in1.3 mm
Evening
6 PM–midnight
40% chance · 0.22 in5.5 mm
Overnight
midnight–6 AM
30% chance · 0.09 in2.4 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
30% chance · 0.03 in0.7 mm
Evening
6 PM–midnight
30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 61°, low 40°.
80% chance of rain, high 47°, low 37°, cooling off.
99% chance of rain, high 44°, low 36°, cooling off.
Highs 54–65°; chance of precipitation on Tuesday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (ABR) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 4 PM · NWS gauge page
Reading from Sat 4 PM · NWS gauge page
Reading from Sat 3:45 PM · NWS gauge page
Reading from Sat 3:45 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 76% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 14 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 39°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 8°4° warmer than typical.
On average 10°5° warmer than normal (daily mean temperature).
Lake Poinsett weather by month: normals, records, snow and freeze dates
Sunrise 7:55 AM, sunset 6:29 PM.
Clouds most of the night (about 84% cover).
Waxing gibbous
98% lit · growing